DIY Non-turbo Volvo Variable Intake System (VVIS)

Non-turbo Volvo 850s and S70/V70 cars made in 1995 to 2000 were missing something their earlier brothers from 1993 and 1994 had: Volvo Variable Intake System. VVIS essentially made the engine more efficient at low RPMs.

Our very own Volvo forum member bigdaddylee82 decided to create his own VVIS for his 1995 850 GLT. Here’s how he did it…

VVIS vs. Non-VVIS, Would You Do It? <- I Did.

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